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@rbouqueau @cconcolato
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/*
* GPAC - Multimedia Framework C SDK
*
* Authors: Cyril Concolato
* Copyright (c) Telecom ParisTech 2013-
* All rights reserved
*
* This file is part of GPAC / sample MP4 demultiplexing application
*
* GPAC is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation; either version 2, or (at your option)
* any later version.
*
* GPAC is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; see the file COPYING. If not, write to
* the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
*
*/
#include <gpac/tools.h>
#include <gpac/isomedia.h>
int main(int argc, char **argv)
{
/* The ISO progressive reader */
GF_ISOFile *movie;
/* Error indicator */
GF_Err e;
/* Number of bytes required to finish the current ISO Box reading */
u64 missing_bytes;
/* Return value for the program */
int ret = 0;
u32 track_id = 1;
u32 track_number;
u32 sample_count;
u32 sample_index;
/* Usage */
if (argc < 2) {
fprintf(stdout, "Usage: %s filename [track_id]\n", argv[0]);
return 1;
}
if (argc == 3) {
track_id = atoi(argv[2]);
}
e = gf_isom_open_progressive(argv[1], 0, 0, &movie, &missing_bytes);
if ((e != GF_OK && e != GF_ISOM_INCOMPLETE_FILE) || movie == NULL) {
fprintf(stdout, "Could not open file %s for reading (%s).\n", argv[1], gf_error_to_string(e));
return 1;
}
track_number = gf_isom_get_track_by_id(movie, track_id);
if (track_number == 0) {
fprintf(stdout, "Could not find track ID=%u of file %s.\n", track_id, argv[1]);
ret = 1;
goto exit;
}
sample_count = gf_isom_get_sample_count(movie, track_number);
sample_index = 1;
while (sample_index <= sample_count) {
GF_ISOSample *iso_sample;
u32 sample_description_index;
iso_sample = gf_isom_get_sample(movie, track_number, sample_index, &sample_description_index);
if (iso_sample) {
fprintf(stdout, "Found sample #%5d/%5d of length %8d, RAP: %d, DTS: "LLD", CTS: "LLD"\n", sample_index, sample_count, iso_sample->dataLength, iso_sample->IsRAP, iso_sample->DTS, iso_sample->DTS+iso_sample->CTS_Offset);
sample_index++;
/*release the sample data, once you're done with it*/
gf_isom_sample_del(&iso_sample);
} else {
e = gf_isom_last_error(movie);
if (e == GF_ISOM_INCOMPLETE_FILE) {
missing_bytes = gf_isom_get_missing_bytes(movie, track_number);
fprintf(stdout, "Missing "LLU" bytes on input file\n", missing_bytes);
gf_sleep(1000);
}
}
}
exit:
gf_isom_close(movie);
return ret;
}
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